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Protect, Beautify and SAVE ENERGY

The White Lightning® family of caulks and sealants has been the choice of building industry professionals and do-it-yourselfers for nearly a century. With a product for every need, and every area of your home, you're sure to find a place to use White Lightning® products.
Caulking is a great way to protect your home against damage caused by heat, water and weather conditions.

  • Outside, it can help protect areas around windows and vents where water can seep in to places you can't see.
  • Inside your home, caulking around bathtubs, showers, sinks and splashboards can prevent costly damage to floors and walls.

You can also beautify your home by applying a bead of caulk around moldings, baseboards and cabinetry to give your home a "finished" look. You can also use caulk to disguise and correct gaps and other irregularities.
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inset_of_molding_application Sealing around foundations, steps, doors, windows,vents and other openings - inside and out - helps to keep out air, dust, dirt, noise and insects. Using White Lightning® products also helps you enjoy significant energy savings by keeping cold drafts out and warm air in during cooler months and can help keep your home cooler in summer heat. Inset_Of_Weatherproofing_Application
Caulks and Sealants - What's the Difference?
Caulks are typically general purpose products that fill gaps between building materials. They have average adhesion, low expansion/contraction and can be specified for interior or exterior use. Sealants are high-performance products with good adhesive properties to stick to a broad range of substrates. They also recover well when stretched or compressed – as in temperature extremes – so they perform well outside.
White Lightning® Caulks and Sealants Are Perfect
For a Variety of Tasks.

Kitchen & Bath
Clean, attractive finishes with outstanding protection against water damage

Window & Door
Watertight/
weathertight seals to keep the heat inside or the cool air from escaping
All Purpose
Superior flexibility and elasticity for a variety of interior and exterior uses
Special Jobs
Specially formulated for smooth, professional application, longlasting durability and top performance

White Lightning Hints & Tips

  • Make sure that surface to be caulked is clean and dry.
  • Don't caulk outdoors when rain is expected.
  • For easiest application cut caulk tube nozzle to a 45° angle.
  • For best adhesion, be sure to "tool" caulk, using your finger, a disposable spoon or a damp rag for latex caulks.
  • For better energy savings, caulk windows & doors on the inside AND outside.
  • Check around your home's foundation where heat can escape and water can get in.
  • On a sunny day, cover windows, doors and other basement light sources to check for possible gaps and leaks in foundation.
  • For gaps deeper than 1/2" first fill them with backer rod up to 1/2" from the surface, then caulk.
  • To prevent caulk cracking around bathtubs, fill tub up to normal water level before caulking. Leave the tub filled until the caulk is cured.
  • Make sure that caulk is fully cured before using newly caulked tubs or showers.

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New Products From White Lightning®
WL_MAXIMUS™_LOGO White Lightning®
All Purpose MAXIMUS™ Paintable Polymer Sealant
  • Combines the performance characteristics of silicone and polyurethane
  • Apply around doors, windows, trim, siding, countertops and other projects
WL_MEGALASTIC_LOGO White Lightning®
All Purpose MEGALASTIC™ Super Elastic Sealant
  • Provides stretchability of over 700%
  • Apply to any joints where extreme movement can be expected

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